40106699 has 2 divisors, whose sum is σ = 40106700. Its totient is φ = 40106698.

The previous prime is 40106683. The next prime is 40106713. The reversal of 40106699 is 99660104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40106699 - 2⁴ = 40106683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40106609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20053349 + 20053350.

It is an arithmetic number, because the mean of its divisors is an integer number (20053350).

Almost surely, 2^40106699 is an apocalyptic number.

40106699 is a deficient number, since it is larger than the sum of its proper divisors (1).

40106699 is an equidigital number, since it uses as much as digits as its factorization.

40106699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 40106699 is about 6332.9849991927. The cubic root of 40106699 is about 342.2990072256.

The spelling of 40106699 in words is "forty million, one hundred six thousand, six hundred ninety-nine".